Book/Report FZJ-2018-04048

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Die Pionproduktion bei der Kaon-Nukleon Wechselwirkung beschrieben im Mesonenaustauschbild



1992
Forschungszentrum Jülich GmbH Zentralbibliothek Verlag Jülich

Jülich : Forschungszentrum Jülich GmbH Zentralbibliothek Verlag, Berichte des Forschungszentrums Jülich 2701, 204 p., Anh. ()

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Report No.: Juel-2701

Abstract: Recently we have presented in our group a meson exchange model for the K$^{+}$ N interaction below pion treshold which contains apart from single-meson exchange, higher-order diagrams involving $\Delta$K,NK* and $\Delta$K* intermediate states. We now extend this model above pion treshold i.) by taking into account the K*- and $\Delta$-width, calculated in a generalized Lee model; ii.) by doing a full coupled-channel calculation, under inclusion of the diagonal $\Delta$K and NK* interaction based likewise on meson exchange. It turns out that the latter interaction as well as the off-shell behavior of the widths are essential for reproducing the pion production data in both isospin channels.


Contributing Institute(s):
  1. Publikationen vor 2000 (PRE-2000)
Research Program(s):
  1. 899 - ohne Topic (POF3-899) (POF3-899)

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 Record created 2018-07-09, last modified 2021-01-29


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